<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格练习</title>
</head>
<body>
<table border="1px" style="border-collapse: collapse">
    <caption>讲师信息表</caption>
    <tr>
        <th>序号</th>
        <th>姓名</th>
        <th>科目</th>
    </tr>
    <tr>
        <td style="text-align: center">1</td>
        <td>克晶</td>
        <td>基础</td>
    </tr>
    <tr>
        <td style="text-align: center">2</td>
        <td>传奇</td>
        <td>框架</td>
    </tr>
    <tr>
        <td style="text-align: center">3</td>
        <td>晓宇</td>
        <td>IVOS...................</td>
    </tr>

</table>
<table border="1px">
    <tr>
        <td>1-1</td>
        <td>1-2</td>
        <td>1-3</td>
        <td>1-4</td>
    </tr>
    <tr>
        <td colspan="2">2-1</td>
<!--        <td>2-2</td>-->
        <td>2-3</td>
        <td rowspan="3">2-4</td>
    </tr>
    <tr>
        <td>3-1</td>
        <td>3-2</td>
        <td>3-3</td>
<!--        <td>3-4</td>-->
    </tr>
    <tr>
        <td>4-1</td>
        <td>4-2</td>
        <td>4-3</td>
<!--        <td>4-4</td>-->
    </tr>
</table>
</body>
</html>